Vintage Girl Wrestler Photos Pre 1940

Found these in great-grandpa's old office when cleaning stuff out. He used to promote guy and gal wrestling and boxing in the Zanesville, Columbus, Ohio area. He was a bit of a gansta in his day! These wrestlers came from all over the US and the world. I have many vintage original 8 x 10 glossy promo photos. I have a 1944 program promoting a famous boxer Joe Louis with gramps as the promoter. I have asked everyone what this great collection could be worth but no one can tell me. The only wrestlers I have found on the internet that date back this far are not from this country and all seem to be male. These are the greatest collection of pictures I have ever seen. Can anyone help determining the value for insurance purposes?